/* theme black */
:root {
    --font-body: Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
            Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'Fira Mono', monospace;
    --color-theme-1: #ff3e00;
    --color-theme-2: #4075a6;
    --color-theme-3: rgba(0, 5, 10, 1);
    --color-text: rgba(255, 255, 255, 1);
    --column-width: 42rem;
    --column-margin-top: 4rem;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-theme-3);
}

body {
    min-height: 100vh;
    margin: 0;
    background-attachment: fixed;
    background-color: var(--color-bg-1);
    background-size: 100vw 100vh;
    background-image: radial-gradient(
                    50% 50% at 50% 50%,
                    rgba(255, 255, 255, 0.75) 0%,
                    rgba(255, 255, 255, 0) 100%
            ),
            linear-gradient(180deg, var(--color-bg-0) 0%, var(--color-bg-1) 15%, var(--color-bg-2) 50%);
}

h1,
h2,
p {
    font-weight: 400;
}

p {
    line-height: 1.5;
}

a {
    color: var(--color-theme-1);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1 {
    font-size: 2rem;
    text-align: center;
}

h2 {
    font-size: 1rem;
}

pre {
    font-size: 16px;
    font-family: var(--font-mono);
    background-color: rgba(255, 255, 255, 0.45);
    border-radius: 3px;
    box-shadow: 2px 2px 6px rgb(255 255 255 / 25%);
    padding: 0.5em;
    overflow-x: auto;
    color: var(--color-text);
}

.text-column {
    display: flex;
    max-width: 48rem;
    flex: 0.6;
    flex-direction: column;
    justify-content: center;
    margin: 0 auto;
}

input,
button {
    font-size: inherit;
    font-family: inherit;
}

button:focus:not(:focus-visible) {
    outline: none;
}

@media (min-width: 720px) {
    h1 {
            font-size: 2.4rem;
    }
}

textarea {
background-color: var(--color-theme-3);
}

.visually-hidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: auto;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    white-space: nowrap;
}

/* width */
::-webkit-scrollbar {
    width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
    background: white;
    border-radius: 10px;
}

/* Handle */
::-webkit-scrollbar-thumb {
    background: var(--color-theme-3);
    border-radius: 10px;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
    background: white;
}
